Finding the Third Proportional to 3,155,296 and 4,512,111

Step by Step Solution

1. Step 1: Write the proportion equation
   3,155,296 : 4,512,111 = 4,512,111 : x
2. Step 2: Convert to fraction form
   3,155,296/4,512,111 = 4,512,111/x
3. Step 3: Cross multiply
   3,155,296x = 4,512,111 × 4,512,111
4. Step 4: Simplify right side
   3,155,296x = 20,359,145,676,321
5. Step 5: Solve for x
   x = 20,359,145,676,321/3,155,296
6. Step 6: Final answer
   x = 6,452,372.67